Update KV Secrets Engine index (#10933)

Just a suggestion on how to perhaps improve the language as I found myself re-reading the sentences due to the missing "either ... or ..." having been _told_ that it `can be run in two modes`.

website/content/docs/secrets/kv/index.mdx

@@ -7,15 +7,15 @@ description: The KV secrets engine can store arbitrary secrets.
 
 # KV Secrets Engine
 
-The `kv` secrets engine is used to store arbitrary secrets within the
-configured physical storage for Vault. This backend can be run in one of two
-modes. It can be a generic Key-Value store that stores one value for a key.
-Versioning can be enabled and a configurable number of versions for each key
-will be stored.
+The `kv` secrets engine is a generic Key-Value store used to store arbitrary
+secrets within the configured physical storage for Vault. This backend can be
+run in one of two modes; either it can be configured to store a single value
+for a key or, versioning can be enabled and a configurable number of versions 
+for each key will be stored.
 
 ## KV Version 1
 
-When running the `kv` secrets backend non-versioned only the most recently
+When running the `kv` secrets backend non-versioned, only the most recently
 written value for a key will be preserved. The benefits of non-versioned `kv`
 is a reduced storage size for each key since no additional metadata or history
 is stored. Additionally, requests going to a backend configured this way will be